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Finding the Fourth Proportional to 239,118.63, 358,699.95 and 61,626.30

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Solution

The fourth proportional to 239,118.63, 358,699.95 and 61,626.30 is: 92,445.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,118.63 : 358,699.95 = 61,626.30 : x
  2. Step 2: Convert to fraction form
    239,118.63/358,699.95 = 61,626.30/x
  3. Step 3: Cross multiply
    239,118.63x = 358,699.95 × 61,626.30
  4. Step 4: Simplify right side
    239,118.63x = 22,105,350,728.69
  5. Step 5: Solve for x
    x = 22,105,350,728.69/239,118.63
  6. Step 6: Final answer
    x = 92,445.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.